body {
    box-sizing: border-box;
    font-family: sans-serif;
    display: flex;
    flex-wrap: wrap;
    padding-top: 3rem;
}
.add {
    position: fixed;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
    background-color: #9ac862;
    color: #222b75;
    border: none;
    border-radius: 3px;
    padding: 0.5rem 1rem;
}
.note {
    width: 408px;
    background-color: #fff;
    box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.1);
    justify-content: flex-end;
    padding: 0.5rem;
    cursor: pointer;
}
.note.tools {
    background-color: #9ec862;
}
.note.tools button {
    margin-left: 0.5rem;
    border: none;
    background-color: transparent;
    cursor: pointer;
}
.note textarea {
    display: flex;
    justify-content: flex-end;
    padding: 20px;
}
.main {
    padding: 20px;
}
.hidden {
    display: none;
}